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Finding the Fourth Proportional to 17,609.25, 26,422.47 and 7,747.29

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Solution

The fourth proportional to 17,609.25, 26,422.47 and 7,747.29 is: 11,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.25 : 26,422.47 = 7,747.29 : x
  2. Step 2: Convert to fraction form
    17,609.25/26,422.47 = 7,747.29/x
  3. Step 3: Cross multiply
    17,609.25x = 26,422.47 × 7,747.29
  4. Step 4: Simplify right side
    17,609.25x = 204,702,537.61
  5. Step 5: Solve for x
    x = 204,702,537.61/17,609.25
  6. Step 6: Final answer
    x = 11,624.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.